Preparation of manganese-doped tin oxide nanoparticles for catalytic reduction of organic dyes

• Published in: Chemical physics letters 2022-09, Vol.802, p.139768, Article 139768
• Main Authors: Naz, Saman, Bibi, Guria, Jamil, Saba, UrRehman, Shafiq, Bibi, Shamsa, Ali, Sarmed, Khan, Tahreem, Rauf Khan, Shanza, Janjua, Muhammad Ramzan Saeed Ashraf
• Format: Article
• Language: English
• Subjects: Bimetallic; Catalysis; Doping; Mn-Sn; Reduction
• ISSN: 0009-2614; 1873-4448
• DOI: 10.1016/j.cplett.2022.139768

[Display omitted] •Mn-Sn bimetallic nanoparticles are synthesized by sol-gel method.•Spherical shaped bimetallic nanoparticles are formed after calcination.•Mn:Sn:O atomic ratio is 3:5:9 and 1:2:1 before and after calcination respectively.•Organic compounds are reduced using Mn-Sn bimetallic nanoparticles as catalyst.•Parameters kapp, reduction time and percentage reduction are evaluated. Sol-gel method is used to fabricate morphologically controlled manganese-tin (Mn-Sn) bimetallic nanoparticles using manganese nitrate and tin chloride as precursors. Energy dispersive X-ray spectroscopy (EDX) is used to study the elemental composition and chemical formula of the synthesized products. Scanning transmission electron microscopy (STEM) is used to characterize the morphology of products. The catalytic property of Mn-Sn bimetallic nanoparticles is enhanced due to synergistic effect of both metals. The morphology of catalyst and the structure of organic dyes and nitro-compounds are used to compare the values of apparent rate constant, reduction time and percentage reduction.